1. In an obvious and provable manner
   - demonstrably, incontrovertibly, irrefutably

See also: provable

• nonparasitic
• nonpareil
• nonparticipant
• nonparticipation
• nonparticulate
• nonparticulate radiation
• nonpartisan
• nonpartisanship
• nonpartizan
• nonpasserine
• nonpasserine bird
• nonpayment
• nonperformance
• nonperiodic
• nonperson
• nonpersonal
• nonphotosynthetic
• nonphysical
• nonplus
• nonplused
• nonplussed
• nonpoisonous
• nonpolar
• nonpolitical
• nonporous